DEUTZ AG engages in the development, design, manufacture, distribution, and servicing of diesel engines for professional applications. It operates through the DEUTZ Classic and DEUTZ Green segments. The DEUTZ Classic segment focuses on the development, production, distribution, and maintenance of diesel and gas engines. The DEUTZ Green segment is involved in all-electric and hybrid drives, hydrogen-powered drive solutions, mobile rapid charging stations, and the development of battery management hardware and software. The company was founded by Eugen Langen and Nicolaus August Otto on March 31, 1864 and is headquartered in Cologne, Germany.